Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8449035 | Chair | Benjamin Breitkreuz | 2013-05-28 |
| 6973494 | System and method for bi-directional mapping between customer identity and network elements | — | 2005-12-06 |
| 6659555 | Spring unit for weight adjustment of a chair | Rolf Scholz, Armin Sander, Martin Potrykus | 2003-12-09 |
| 6378944 | Seat and/or back of seat cover for a chair | — | 2002-04-30 |
| 6234461 | Adjustable length gas spring | Walter Bohm | 2001-05-22 |
| 6224264 | Guide bush and adjustable length column with guide bush | Fred Bohm, Peter Lang, Walter Bohm | 2001-05-01 |
| 5988605 | Adjustable length gas spring | Herbert Wolf | 1999-11-23 |
| 5838774 | Telephone polling method | — | 1998-11-17 |
| 5701301 | Mediation of open advanced intelligent network in SS7 protocol open access environment | — | 1997-12-23 |
| 5600710 | Method for providing a recorded message to a telephone caller when called number is busy | Jimmy W. Langley | 1997-02-04 |
| 5438568 | Mediation of open advanced intelligent network interface for public switched telephone network | — | 1995-08-01 |
| 5430719 | Mediation of open advanced intelligent network interface by shared execution environment | — | 1995-07-04 |